Display screen or portion thereof with transitional graphical user interface



FIG. 1 shows a first view of a display screen or portion thereof with transitional graphical user interface showing our new design in a sequence of the transitional graphical user interface;

FIG. 2 shows a second view in the sequence of the transitional graphical user interface;

FIG. 3 shows a third view in the sequence of the transitional graphical user interface;

FIG. 4 shows a fourth view in the sequence of the transitional graphical user interface;

FIG. 5 shows a fifth view in the sequence of the transitional graphical user interface;

FIG. 6 shows a sixth view in the sequence of the transitional graphical user interface;

FIG. 7 shows a seventh view in the sequence of the transitional graphical user interface;

FIG. 8 shows an eight view in the sequence of the transitional graphical user interface;

FIG. 9 shows a ninth view in the sequence of the transitional graphical user interface;

FIG. 10 shows a tenth view in the sequence of the transitional graphical user interface;

FIG. 11 shows an eleventh view in the sequence of the transitional graphical user interface;

FIG. 12 shows a twelfth view in the sequence of the transitional graphical user interface;

FIG. 13 shows a thirteenth view in the sequence of the transitional graphical user interface;

FIG. 14 shows a fourteenth view in the sequence of the transitional graphical user interface;

FIG. 15 shows a fifteenth view in the sequence of the transitional graphical user interface;

FIG. 16 shows a sixteenth view in the sequence of the transitional graphical user interface;

FIG. 17 shows a seventeenth view in the sequence of the transitional graphical user interface;

FIG. 18 shows an eighteenth view in the sequence of the transitional graphical user interface;

FIG. 19 shows a nineteenth view in the sequence of the transitional graphical user interface;

FIG. 20 shows a twentieth view in the sequence of the transitional graphical user interface;

FIG. 21 shows a twenty-first view in the sequence of the transitional graphical user interface; and,

FIG. 22 shows a twenty-second view in the sequence of the transitional graphical user interface.

The appearance of the animated views transitions sequentially from Figures 1-22. The process or time period during which one view transitions to another view forms no part of the claimed design. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for display screen or portion thereof with transitional graphical user interface, as shown and described. 